The city sits at the confluence of the Christina River and the Delaware River, about 33 miles (53 km) southwest of Philadelphia. Wilmington Train Station, one of the southernmost stops on Philadelphia's SEPTA rail transportation system, is also served by Northeast Corridor Amtrak passenger trains.
Houston Intercontinental Airport IAH serves the country's fourth largest City of Houston and the Gulf Coast region in Southeast Texas. It is presently one of the top five airports in the world and continues to attract more air carriers and add more destination points.
1 Dallas, Texas: Southwest uses Dallas Love Field instead of Dallas-Fort Worth International Airport. 2  Houston, Texas: Southwest uses William P. Hobby Airport instead of George Bush Intercontinental Airport. 3  New York City: Southwest uses LaGuardia Airport instead of John F. Kennedy International Airport.